Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraint" not found in C:\xampp\htdocs\SuiteCRM-8.9.2\core\backend\MediaObjects\Validator\UploadValidator\UploadConstraint.php:35 Stack trace: #0 {main} thrown in C:\xampp\htdocs\SuiteCRM-8.9.2\core\backend\MediaObjects\Validator\UploadValidator\UploadConstraint.php on line 35